The National Nuclear Security Administration said it's part of normal protocol.

A low-flying NNSA helicopter is flying over the San Francisco Bay Area to measure background radiation levels ahead of Super ...

CHARLESTON, S.C. (WCBD) – Lowcountry residents can expect to see low-flying aircraft in February, surveying a specific bird ...

FORT RUCKER – Low flying Army aircraft Wednesday afternoon should not be a cause for alarm, Fort Rucker Public Affairs Officer Leslie Herlick said Monday afternoon. An Army C-12 Huron aircraft will ...